GRIMMIACE.E.J 87 [Orthotrichum. 



projecting border cells. Annulus of 3—4 rows of compressed cells ; 

 teeth 8, bigeminate, pale brown, reflexed when dry, finely papillose, 

 cilia 8, shorter than the teeth ; vaginula smooth. Lid conic, apiculate, 

 pale red at margin. Calyptra narrow, conic, greenish yellow, glossy, 

 slightly hairy. Male inil. axillar. 



Hab.— On Willows, Poplar, and Elder. Fr. 5 — 6. 



Near Bantry(MJsi Hutchins). Near York and at Matlock bridge (Spruce 1844) ! Sussex 

 (Mitten). Gresfordand Nant-y-Belan, N. Wales (Wilson 1833) ! ! Thirsk and Ayton 

 (Baker 1852). Bolton Abbey and Ilkley (Gibson 1834). Cartmel (Carrington 1859). 

 By the Cherwell and near Heyford, Oxon. (Boswell 1859) ! Derwentwater and Keswick 

 (Hunt 1863) ! ! Mucross (^Carrington). Rostellan, Cork, andTervoe, Limerick (Carroll). 

 Budleigh Salterton (Dickie). Stratford-on-Avon (Bagnall). Wemyss Bay and Inverkip 

 (Htmt 1865) ! ! Sulby glen, Braddon, &c., I. of Man (Holt 1881) ! ! Great Houghton and 

 Wittering, Northants (Dixon). 



This pretty little moss has the habit of dwarf 0. affine, but is soon 

 distinguished by its long slender pale brown capsules, narrow leaves and 

 narrow yellow calyptra. 



17.- ORTHOTRICHUM PUICHELLUM Brmton. 



Autoicous ; in soft olivaceous tufts. Leaves somewhat crisped 

 when dry, linear-lanceolate, acute. Caps, exserted, oval-oblong, 

 8-striate ; calyptra campanulate, naked ; teeth i6, geminate, reflexed 

 against the capsule, ciHa i6 or 8. (T. LVIII, C.) 



SvN.— Orthotrichum pulchellum Brunton in Eng. Bot. 1. 1787 (1807). Hook. Tayl. Muse. br. 

 75, t. 21 (1818). Gray Nat. arr. Br. pi. i, 746 (1821). Hook. F1. scot. P. 2, 137 (1821), 

 Brit. fl. ii, 56 (1833). Hook Geev. in Edin. J. Sc. i, 127 (1824). Mack. F1. hibern. 

 P. 2, 31 (1836). Br. Sch. Bry. eur. fasc. 2—3, p. 29, t. 18 (1837). Raeenh. Deutsch. 

 kr. fl. ii, S. 3, 186 (1848). C. Muell. Synops. i, 711 (1849). Hartm. Skand. fl. Hammar 

 Mon. Orthot. suec. 22 (1852). WiLS. Bry. br. i85, t. 21 (1855). Schimp. Synops, 277 

 (i860), 2 ed. 334. Berk. Handb. Br. m. 226, t. 20 (1863). Milde Bry. siles. 178 (1869). 

 BouLAY Fl. cr. de I'Est 599 (1872). Hoek. Syn. Br. m. 94 (1873). Husn. Mouss. N. 

 ouest 110 (1873). Lesq. James Moss. N. Amer. 175 (1882). Venturi in Husn. Muse. 

 gall. 191, t. 52 (1887). 

 Orthotrichum stenocarpum Brid. Bry. univ. i, 271 (1826). 

 Dorcadion pulchellum Lindb. Muse, scand. 28 (1879). 



Autoicous ; in low loose soft olivaceous tufts. Leaves flexuose 

 when dry, recurving slightly when moist, and then becoming erecto- 

 patent, from an oval or oblong base, linear, acuminate, acute, the perich. 

 bracts smaller and concealed by the upper leaves ; margin loosely 

 revolute in lower half, recurved above ; nerve feeble, reaching to the 

 point in the upper leaves; cells at base quadrang. elongated, gradually 

 passing up into very minute rounded or subhexagonal, with thickened 

 walls. Capsule small, yellowish, wholly exserted, oval-oblong, defluent 

 on the pedicel, which passes but little the upper leaves, furrowed when 

 dry and narrowed in the middle ; bands 8, of 3—4 rows of quadrate cells 



